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- Tasks: Design and develop mainframe APIs, modernising legacy systems with cutting-edge technology.
- Company: Join a forward-thinking tech company in London, focused on innovation.
- Benefits: Competitive salary, onsite work, and opportunities for professional growth.
- Other info: Collaborative environment with a focus on continuous learning and improvement.
- Why this job: Make a real impact by transforming legacy systems into scalable APIs.
- Qualifications: Strong expertise in z/OS Connect EE, CICS Web Services, and API development.
The predicted salary is between 60000 - 80000 £ per year.
We are looking for a highly skilled Mainframe API Developer with strong expertise in z/OS Connect EE and CICS Web Services to join our growing team. If you are passionate about modernizing legacy systems and building robust API solutions, this role is for you!
Location: London, UK
Work Mode: Onsite
Key Responsibilities:
- Design, develop, and maintain mainframe APIs using z/OS Connect EE and CICS Web Services
- Implement SOA and RESTful architecture patterns
- Develop and support COBOL/DB2 programs and JCL batch processes
- Work with tools like FileAid, Xpeditor, IBM Explorer for z/OS API, and Visual Studio
- Drive modernization of legacy mainframe services into scalable APIs
Code Quality & Optimization:
- Ensure high code quality and adherence to standards
- Optimize DB2 queries and database access
- Implement robust error handling and logging mechanisms
API Development & Integration:
- Build and support APIs using SOAP, WSDL, and JSON
- Define service contracts and perform payload mapping & transformation
- Validate end-to-end API workflows across systems
Collaboration & Support:
- Work closely with testers, architects, and product teams
- Troubleshoot production issues and resolve defects
- Improve API design, scalability, and maintainability
DevOps & CI/CD:
- Integrate code with GitLab CI/CD pipelines and UCD
- Follow best practices in GitLab and Endevor source control
- Support continuous integration and delivery
Security & Compliance:
- Implement API security (Basic Auth, mTLS, OAuth)
- Manage CICS transaction security configurations
- Handle RACF rules, access control, and security coordination
Nice to Have:
- Exposure to AI-driven development
- Experience in API automation and testing
Mainframe API Developer (z/OS Connect EE & CICS Web Services) in City of London employer: N Consulting Global
Contact Detail:
N Consulting Global Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Mainframe API Developer (z/OS Connect EE & CICS Web Services) in City of London
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, attend meetups, and connect with other developers. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your API projects, especially those using z/OS Connect EE and CICS Web Services. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for interviews by brushing up on common questions related to mainframe APIs and modernisation techniques. Practice coding challenges and be ready to discuss your past experiences with COBOL, DB2, and API development.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!
We think you need these skills to ace Mainframe API Developer (z/OS Connect EE & CICS Web Services) in City of London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with z/OS Connect EE and CICS Web Services. We want to see how your skills align with the role, so don’t be shy about showcasing relevant projects or achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to express your passion for modernising legacy systems and building robust API solutions. Let us know why you’re excited about this opportunity at StudySmarter.
Showcase Your Technical Skills: Be specific about your technical expertise in COBOL, DB2, and API development. Mention any tools you’ve used like FileAid or Visual Studio, as we love seeing hands-on experience that matches our needs!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy!
How to prepare for a job interview at N Consulting Global
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of z/OS Connect EE and CICS Web Services. Be ready to discuss how you've used these technologies in past projects, and think about specific examples where you’ve modernised legacy systems or built robust API solutions.
✨Showcase Your Problem-Solving Skills
Prepare to talk about how you approach troubleshooting production issues. Think of a time when you resolved a defect or improved an API's design. Highlight your thought process and the tools you used, like FileAid or Xpeditor, to demonstrate your hands-on experience.
✨Understand the Bigger Picture
Familiarise yourself with SOA and RESTful architecture patterns. Be prepared to explain how these concepts apply to the role and how they can enhance API development and integration. This shows that you’re not just focused on coding but also on how it fits into the overall system architecture.
✨Be Ready for Collaboration Questions
Since this role involves working closely with testers, architects, and product teams, think about your past experiences in collaborative environments. Prepare examples that showcase your teamwork skills and how you’ve contributed to successful project outcomes.